Joe and JoAnn each bought 12 ounces of coffee in a 16 ounce cup. Joe drank 2 ounces of his coffee and then added 2 ounces of cream. JoAnn added 2 ounces of cream, stirred the coffee well, and then drank 2 ounces. What is the resulting ratio of the amount of cream in Joe's coffee to that in JoAnn's coffee

Step-by-step explanation:

Given

Initially

-- coffee

-- coffee

Joe drank 2oz coffee; So, we have:

--- coffee

Joe added 2oz cream; So, we have:

--- coffee     --- cream

JoAnn added 2oz cream and stirred. So, we have:

--- coffee     --- cream

JoAnn drank 2oz from the drink; the amount of drink JoAnn drank is:

Amount of cream left is:

Take LCM

So, we have:

--- cream

cream

The ratio is:

Multiply by 7

Divide by 2

three-fourths of an hour

36÷48=0.75

0.75=